/*******************************************************************************
 * Copyright 2009, 2010 Innovation Gate GmbH
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package de.innovationgate.utils;

import java.io.IOException;
import java.io.Writer;

/**
 * A default implementation of {@link ReplaceProcessor} that just replaces the selected part
 * by another string and continues parsing after it.
 */
public class DefaultReplaceProcessor implements ReplaceProcessor {
		
		private String _to = "";
		
		public DefaultReplaceProcessor(String to) {
		    
		    if (to != null) {
		        _to = to;
		    }
		}
		
		public int replace(String text, int from, int to, Writer out) {
			try {
				out.write(_to);
			}
			catch (IOException e) {
				e.printStackTrace();
			}
			return to;
		}
		
}
